From 6934615b9736d0a777ce7f6933129ea1cdd2dd23 Mon Sep 17 00:00:00 2001 From: Warren Levy Date: Fri, 1 Dec 2000 01:48:34 +0000 Subject: Array.java: New file from classpath. * Array.java: New file from classpath. * BatchUpdateException.java: Ditto. * Blob.java: Ditto. * Clob.java: Ditto. * Ref.java: Ditto. * SQLData.java: Ditto. * SQLInput.java: Ditto. * SQLOutput.java: Ditto. * Struct.java: Ditto. * CallableStatement.java: Merged file from claspath. * Connection.java: Ditto. * DataTruncation.java: Ditto. * DatabaseMetaData.java: Ditto. * DriverManager.java: Ditto. * PreparedStatement.java: Ditto. * ResultSet.java: Ditto. * ResultSetMetaData.java: Ditto. * SQLException.java: Ditto. * SQLWarning.java: Ditto. * Statement.java: Ditto. * Types.java: Ditto. From-SVN: r37906 --- libjava/java/sql/Blob.java | 120 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 libjava/java/sql/Blob.java (limited to 'libjava/java/sql/Blob.java') diff --git a/libjava/java/sql/Blob.java b/libjava/java/sql/Blob.java new file mode 100644 index 0000000..79a4504 --- /dev/null +++ b/libjava/java/sql/Blob.java @@ -0,0 +1,120 @@ +/* Blob.java -- Access a SQL Binary Large OBject. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + +package java.sql; + +import java.io.InputStream; + +/** + * This interface specified methods for accessing a SQL BLOB (Binary + * Large OBject) type. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + */ +public interface Blob +{ + +/*************************************************************************/ + +/** + * This method returns the number of bytes in the BLOB. + * + * @return The number of bytes in the BLOB. + * + * @exception SQLException If an error occurs. + */ +public abstract long +length() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns up to the requested bytes of this BLOB as a + * byte array. + * + * @param offset The index into the BLOB to start returning bytes from. + * @param length The requested number of bytes to return. + * + * @return The requested bytes from the BLOB. + * + * @exception SQLException If an error occurs. + */ +public abstract byte[] +getBytes(long offset, int length) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns a stream that will read the bytes of the BLOB. + * + * @return A stream that will read the bytes of the BLOB. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getBinaryStream() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the index into the BLOB at which the first instance + * of the specified bytes occur. The searching starts at the specified + * index into the BLOB. + * + * @param pattern The byte pattern to search for. + * @param offset The index into the BLOB to starting searching for the pattern. + * + * @return The offset at which the pattern is first found, or -1 if the + * pattern is not found. + * + * @exception SQLException If an error occurs. + */ +public abstract long +position(byte[] pattern, long offset) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the index into the BLOB at which the first instance + * of the specified pattern occurs. The searching starts at the specified + * index into this BLOB. The bytes in the specified Blob are + * used as the search pattern. + * + * @param pattern The Blob containing the byte pattern to + * search for. + * @param offset The index into the BLOB to starting searching for the pattern. + * + * @return The offset at which the pattern is first found, or -1 if the + * pattern is not found. + * + * @exception SQLException If an error occurs. + */ +public abstract long +position(Blob pattern, long offset) throws SQLException; + +} // interface Blob + -- cgit v1.1